The boat is powered by 390 type racing motor which produces tremendous power. Professionally designed and manufactured pc twin-propeller which not only provides huge thrust, but is not easy to be damaged as well. Vector-push design,easy to be controlled. Professional hi- capacity rechargeable battery and quick battery charger makes the boat a long time and hi-speed race.Features :1) 3-channel r/c boat 2) battery: Ni-cd1800mah/7.2V;3) control distance:100m; 4) playing time:20 minutes 5) motor type: RS-390SSH6) Large capacity rechargeable battery.7) Professional large torsion propeller.8) Powerful high speed motor.Item Included: 0.15cm HEX WRENCH0.2cm HEX WRENCH0.4cm GRUB SCREWR/C BOAT CONTROLLER BOAT RACKCHARGER7.2V RECHARGEABLE NI-CD BATTERTProduct Dimensions: 81cmX23cmX21cm